A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5985-01-321-4403
NSN 6650-00-070-5952
NSN 5935-01-256-0252
NSN 5996-01-114-8956
NSN 5895-01-211-5663
NSN 6620-00-377-5555
NSN 5985-00-903-5444
NSN 5960-00-003-0904
NSN 6240-00-497-8612
NSN 6320-01-386-3491
NSN 5930-01-530-7577
NSN 6220-00-030-6728